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Design tool for realisable vibro-acoustic metamaterials based on their NVH performance

机译:基于其NVH性能的可实现的Vibro-Metomateials设计工具

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Vibro-acoustic metamaterials have shown to be an interesting candidate for improving the noise and vibration behaviour of lightweight systems. Recent studies have reported this new concept to significantly attenuate vibration or reduce acoustic transmission for targeted and tunable frequency ranges, referred to as stopbands. The resonant-based metamaterials can be applied to a wide range of designs and are producible by a variety of manufacturing process, making their design process a challenging and highly experience driven task. This paper discusses a design tool for metamaterials which evaluates their NVH performance for several combinations of designs and production processes. The proposed tool allows to obtain a metamaterial design based on its predicted NVH performance through the creation of solution spaces. These spaces are generated considering the main metamaterial performance indicators, such as stopband location and width, vibration attenuation and transmission loss.
机译:Vibro-Metomultials已显示是改善轻质系统噪声和振动行为的有趣候选者。最近的研究报告了这种新概念,以显着衰减振动或减少针对目标和可调频率范围的声学传输,称为阻带。基于共振的超材料可以应用于各种设计,并通过各种制造过程可生产,使其设计过程具有挑战性和高度经验的驱动任务。本文讨论了超材料的设计工具,可评估其NVH性能的设计和生产过程的多种组合。该拟议的工具允许通过创建解决方案空间,基于其预测的NVH性能来获得超材料设计。考虑到主要的超材料性能指示器,如停车位置和宽度,振动衰减和传输损耗来产生这些空间。

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